drm/tegra: dc: Using NULL instead of plain integer

Fixes the following sparse warnings:

drivers/gpu/drm/tegra/dc.c:2181:69: warning:
  Using plain integer as NULL pointer

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index c1a5ae8faaef..90b25ce363ca 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -2160,7 +2160,7 @@ static int tegra_dc_couple(struct tegra_dc *dc)
                 struct device_link *link;
                 struct device *partner;
 
-                partner = driver_find_device(dc->dev->driver, NULL, 0,
+                partner = driver_find_device(dc->dev->driver, NULL, NULL,
                                              tegra_dc_match_by_pipe);
                 if (!partner)
                         return -EPROBE_DEFER;